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21 July, 08:02

A hovercraft takes off from a platform. Its height (in meters), 2 seconds after takeoff, is modeled by: h (x) = - 3 (x - 3) 2 + 108

What is the height of the hovercraft at the time of takeoff?

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  1. 21 July, 09:15
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    81 m

    Step-by-step explanation:

    At take off t = 0, substitute x = 0 into h (x)

    h (0) = - 3 (0 - 3) ² + 108 = - 3 (9) + 108 = - 27 + 108 = 81 m
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